Massachusetts
Division of Professional Licensure
JOHN T. CALLAHAN
Plumber
License number
34991
Date granted
05/18/2011
Date expires
05/01/2014
Class
Plumber
Status
Current
licensingma.org
ID 3569445
LAST UPDATED 2026-03-27 04:41:31 UTC
LAST UPDATED 2026-03-27 04:41:31 UTC
This website is unaffiliated with the Division of Professional Licensure. Please verify all information directly with the relevant official government authority.